Line ef passes through the points (0, 1) and (3,3). line gh passes through the points (3, -3) and (6, -1). these lines are a) skew. b) parallel. c) concurrent. d) horizontal.

Michael gose to a theme park and rides two different roller coasters that both begin on a raised platform his height while on the first roller coaster measured in feet from the platform height can be modeled by the following graph where t is the number of seconds since the ride began